Transcript Chapter 11

Chapter 11
Computers and
Society, Security,
Privacy, and Ethics
Ethics and Society
What are computer ethics?
Moral guidelines that govern use of computers and information systems
Unauthorized use of
computers and
networks
Software theft
Intellectual property
rights—rights to which
creators are entitled for
their work
Click to view Web Link,
click Chapter 11, Click Web Link
from left navigation,
then click Intellectual Property
Rights below Chapter 11
p. 589
Information accuracy
Codes of conduct
Information privacy
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Ethics and Society
What is an IT code of conduct?
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Written guideline that helps determine whether
computer action is ethical
Employers can distribute to employees
IT CODE OF CONDUCT
p. 591 Fig. 11-24
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Information Privacy
What is information privacy?
Right of individuals and
companies to restrict collection
and use of information about them
Difficult to maintain today
because data is stored online
Employee monitoring is using
computers to observe employee
computer use
Click to view video
p. 591 and 597
Legal for employers to use
monitoring software programs
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Information Privacy
What are some ways to safeguard personal information?
Fill in necessary information
on rebate, warranty, and
registration forms
Avoid shopping club
and buyers cards
Inform merchants that you
do not want them to distribute
your personal information
Install a cookie manager
to filter cookies
Clear your history file when
you are finished browsing
Set up a free e-mail account;
use this e-mail address for
merchant forms
Turn off file and print sharing
on your Internet connection
Limit the amount of information
you provide to Web sites; fill
in only required information
p. 592
Install a personal firewall
Sign up for e-mail
filtering through your
Internet service provider or
use an antispam program,
such as Brightmail
Do not reply to spam
for any reason
Surf the Web anonymously
with a program such as
Freedom Web Secure or
through an anonymous
Web site such as
Anonymizer.com
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Information Privacy
What is an electronic profile?
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Data collected when you fill out form on Web
Merchants sell
your electronic
profile
Often you can
specify whether
you want
personal
information
distributed
p. 592 Fig. 11-26
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Information Privacy
What is a cookie?
User
preferences
How
regularly
you visit
Web sites
Click to view Web Link,
click Chapter 11, Click Web Link
from left navigation,
then click Cookies below
Chapter 11
p. 593
Small file on
your computer
that contains
data about you
Some Web sites
sell or trade
information
stored in your
cookies
Set browser to
accept cookies,
prompt you to
accept cookies,
or disable
cookies
Interests
and
browsing
habits
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Information Privacy
How do cookies work?
Step 2. If browser finds a
cookie, it sends information in
cookie file to Web site.
Step 1. When you type Web
address of Web site in your
browser window, browser
program searches your hard
disk for a cookie associated
with Web site.
Step 3. If Web site does not receive
cookie information, and is expecting it,
Web site creates an identification number
for you in its database and sends that
number to your browser. Browser in turn
creates a cookie file based on that number
and stores cookie file on your hard disk.
Web site now can update information in
cookie files whenever you access the site.
p. 594 Fig. 11-27
Web server for
www.company.com
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Information Privacy
What is a cookie manager?

Software program that selectively
blocks cookies
p. 594 Fig. 11-28
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Information Privacy
What are spyware and spam?

Spyware is program
placed on computer
without user’s
knowledge

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Secretly collects
information about user
Spam is unsolicited
e-mail message sent
to many recipients
p. 595 Fig. 11-29
Next
Information Privacy
How can you control spam?
Service that
blocks e-mail
messages from
designated
sources
E-mail filtering
Collects spam in
central location
that you can
view any time
Anti-spam program
Attempts to
remove spam
p. 595
Sometimes
removes valid
e-mail messages
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Information Privacy
What privacy laws have been enacted?
p. 596 Fig. 11-30
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Information Privacy
What privacy laws have been enacted? (cont’d)
p. 596 Fig. 11-30
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Information Privacy
What is content filtering?
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Process of restricting access to certain material
Internet Content Rating
Association (ICRA)
provides rating system
of Web content
Web filtering software
restricts access to
specified sites
Click to view Web Link,
click Chapter 11, Click Web Link
from left navigation,
then click Internet Content
Rating Association below
Chapter 11
p. 597 Fig. 11-31
Next
Health Concerns of Computer Use
What are some health concerns of computer use?
Computer vision syndrome
(CVS)—eye and vision
problems
Carpal tunnel syndrome
(CTS)—inflammation of nerve
that connects forearm to palm
Repetitive strain injury (RSI)
Tendonitis—inflammation of
tendon due to repeated motion
Computer addiction—when
computer consumes entire
social life
p. 598, 599, and 601
Next
Health Concerns of Computer Use
What precautions can prevent tendonitis or carpal
tunnel syndrome?
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Take frequent breaks during computer session
Use wrist rest
Exercise hands
and arms
Minimize number
of times you switch
between mouse and
keyboard
p. 599 Fig. 11-32
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Health Concerns of Computer Use
How can you ease eyestrain
when working at the computer?
p. 599 Fig. 11-33
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Health Concerns of Computer Use
What is ergonomics?
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Applied science devoted to comfort, efficiency, and
safety in workplace
keyboard
height: 23”
to 28”
elbows at 90°
and arms and
hands parallel
to floor
adjustable
backrest
adjustable
seat
adjustable
height chair
with 5 legs
for stability
Click to view video
p. 600 Fig. 11-34
feet flat on floor
Next
Health Concerns of Computer Use
What is green computing?

Reducing electricity and environmental waste while
using computer
Click to view Web Link,
click Chapter 11, Click Web Link
from left navigation,
then click Green Computing
below Chapter 11
p. 601 Fig. 11-35
Next
Summary of Computers and Society, Security, Privacy, and Ethics
Ethical issues surrounding information
accuracy, intellectual property rights, codes
of conduct, and information privacy
Computer-related health issues,
their preventions, and ways to
keep the environment healthy
Chapter 11 Complete